<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <!-- 黑马logo -->
        <img src="../assets/heima.png" alt />
        <!-- 顶部标题 -->
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主体区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px':'200px'">
           <!-- 伸缩侧边栏按钮 -->
          <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单 -->
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened
        :collapse="isCollapse" :collapse-transition="false" router :default-active='acitvePath'>
          <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for='item in meunList' :key='item.id'>
            <!-- 一级菜单模板 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级子菜单 -->
            <el-menu-item :index="'/'+sitem.path" v-for='sitem in item.children ' :key='sitem.id' @click='savePath(sitem.path)'>
              <!-- 二级菜单模板 -->
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{sitem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 主体结构 -->
      <el-main>
          <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  created() {
    this.getMenuList();
    this.acitvePath=window.sessionStorage.getItem('path')
  },
  data: function() {
    return {
      meunList: [],
      iconsObj: {
        '125':'iconfont icon-user',
        '103':'iconfont icon-tijikongjian',
        '101':'iconfont icon-shangpin',
        '102':'iconfont icon-danju',
        '145':'iconfont icon-baobiao'
      },
      isCollapse:false,
      acitvePath:''
    };
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    async getMenuList() {
      // 发送请求获取左侧菜单数据
      const { data: res } = await this.$http.get("menus");
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.meunList = res.data;
    //   console.log(this.meunList);
    // console.log(res.data);
    },
    toggleCollapse(){
        this.isCollapse=!this.isCollapse
    },
    savePath(path){
        window.sessionStorage.setItem('path','/'+path)
        this.acitvePath="/"+path;
    }
  }
};
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
}
.el-main {
  background-color: #eaedf1;
}
.el-menu {
    border-right: 0;
}
.toggle-button{
    text-align: center;
    color: #fff;
    background-color: green;
}
</style>